White Base Catapult Deck [Renewal Edition]
The launch bay every 1/144 Gundam has been waiting for its whole shelf life.
MechaGrade Score
White Base Catapult Deck [Renewal Edition] · 1/144 · 2019
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This is not a mobile suit kit, it is a display base, and once I accepted that going in, I had a great time with it.
The renewal sculpt gives you sharper catapult rails and a pre-applied gradient paint job on the deck plates so the thing looks weathered and metallic before you even touch a nipper. Where it earns its score is versatility: you can build it as a straight launch catapult, fold it down into a hangar/maintenance dock scene, or stretch it out to roughly a meter long in its extended catapult state. It is genuinely the best cheap diorama base in the HGUC ecosystem.
Best for: HG/HGUC collectors who want a proper launch-bay diorama for their Gundam and GM lineup instead of another figure stand
What it is
This is the Realistic Model Series White Base catapult deck, redone with a new mold for the 40th anniversary re-release. You get the deck itself, three MS hangar sections, large and small mechanical arms, three concourse walkway pieces, and enough attachment points to rebuild the whole thing into different configurations. The molded plastic already carries a gradient wash effect on the panel lines, so straight out of the runners it reads as a lived-in launch bay rather than flat white plastic. I built mine as the extended catapult and it swallowed an HG Gundam and a GM side by side without feeling cramped. Handling a diorama piece this size for the first time and watching it click into a full battleship-deck vignette was a genuine highlight of my shelf this year.
The catch
This is a Premium Bandai item, so pricing runs well above a typical HG kit and availability comes and goes with restocks and resellers. It ships with zero mobile suits, so the whole appeal lives or dies on what you already own or plan to buy alongside it. The waterslide decals for hazard markings and deck lettering take patience and a steady hand, and skipping them leaves the deck looking noticeably plainer than the box art. A few of the rail and arm attachment points need a firm push to seat fully flush, and if you rush that step you get visible gaps at the panel seams. It is also a real space commitment once assembled in the long catapult configuration.
Who it's for
If you already have two or three HG Gundams sitting loose on a shelf and want them to look like they belong somewhere, this closes that gap better than anything else at this scale. Diorama builders and anyone into Universal Century ship lore will get the most mileage out of the maintenance-dock rearrangement option. Skip it if you only own one kit, are on a tight budget, or want something that snaps together in an afternoon, this rewards patience with the decals and a plan for what suits will actually sit in it. For everyone else building a proper White Base launch scene, it delivers.
The build story
What the build is actually like, and the engineering worth knowing about.
The build itself is closer to assembling a large diorama fixture than a mobile suit. Panel pieces and rail sections snap onto a support frame, and most of the parts are large enough that gate marks are easy to find and clean up without magnification. The one place I slowed down was the arm and rail attachment pegs, a couple of them are shallow enough that you need to press firmly to get a flush seat, otherwise you get a visible sliver of a gap along the seam.
Where the kit shines is in how the sculpt does the work for you. The renewed mold sharpened the handrail detail noticeably over the original 2016 release, and the mold-color gradient on the deck panels reads as dirt and jet-scarring without any painting. The reconfiguration options are the real value driver here: fold it flat for a hangar bay vignette, or extend it to its full roughly 1000mm catapult length, and it holds an HG-scale suit and a couple of ground crew figures without feeling forced.
Lore & trivia
- 01The Realistic Model Series White Base Catapult Deck first launched in January 2016 and this Renewal Edition brought a new mold with sharper rail detail and a gradient-painted finish for the Mobile Suit Gundam 40th anniversary.
- 02The set can be rebuilt into three configurations: a standard catapult deck, a maintenance dock scene using the included MS hangar and arm pieces, or an extended catapult stretching to roughly 1000mm.
- 03It is designed to be compatible with standard 1/144 HG kits as well as Bandai's Builders Parts System weapons and the Builders Parts HD 1/144 MS Figure, making it a shared display base across multiple product lines.
- 04The White Base is the Pegasus-class assault carrier that serves as the mobile home base for the Earth Federation's White Base crew in the original 1979 Mobile Suit Gundam series, and its launch catapult is one of the most recognizable set pieces in Universal Century anime.
What other builders say
This write-up is grounded in real reviews and builder discussion, not just one opinion. A few worth reading:
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